Q: Is 1,290,143 a Prime Number?
A: Yes, 1,290,143 is a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 1290143 can be evenly divided by 1 and 1,290,143, with no remainder.
Since 1,290,143 can be divided by just 1 and 1,290,143, it is a prime number.